#289F3A#289F3A

#289F3A is a mid, vivid green. Relative luminance 0.256; OKLCH L 61.7% C 0.174 H 145.2°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#289F3A
RGB	rgb(40, 159, 58)
HSL	hsl(129, 60%, 39%)
HSV	hsv(129, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 63.5%, 37.6%)
CIE-LAB	lab(57.61, -52.99, 42.47)
CIE-LCH	lch(57.61, 67.91, 141.29°)
OKLab	oklab(61.7% -0.143 0.0993)
OKLCH	oklch(61.7% 0.174 145.2)
XYZ	xyz(14.0360, 25.5513, 8.1943)
Luminance	0.2555 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F3A #9F288D

analogous

#529F28 #289F3A #289F76

triadic

#289F3A #3A289F #9F3A28

tetradic

#289F3A #28529F #9F288D #9F7628

square

#289F3A #28529F #9F288D #9F7628

split-complementary

#289F3A #76289F #9F2852

monochromatic

#0F3D16 #1C6E28 #289F3A #37CD4E #68D979

Accessibility & contrast

On white

3.44

#289F3A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#289F3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F3A

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F3A	#FFFFFF	#000000	##000000
##289F3A	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2902E

Deuteranopia (green-blind)

#948743

Tritanopia (blue-blind)

#009B8A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289f3a;
/* rgb */ color: rgb(40, 159, 58);
/* oklch */ color: oklch(61.7% 0.174 145.2);

Tailwind

colors: {
  custom: {
    50: '#75bc74',
    500: '#289f3a',
    950: '#000000',
  },
}

SCSS

$custom: #289f3a;
$custom-light: #75bc74;
$custom-dark: #000000;

JSON

{
  "hex": "#289f3a",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 58
  },
  "hsl": {
    "h": 129.076,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.61701,
    "c": 0.17411,
    "h": 145.2
  },
  "luminance": 0.25553
}

Semantic roles & 50–950 ramp

primary

#289F3A

secondary

#BF64B1

accent

#45CBE3

background

#F7FBF7

surface

#EEF7ED

border

#C9D0C8

text

#0A1208

muted

#7C817B

Preview Lab

Preview with #289F3A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →